Matrix Epabx System More number of businesses and industries are embracing VoIP in their day-to-day communication realizing the cost benefits and flexibilities offered by VoIP. Matrix VoIP Gateways sends all long distance calls via data packets over internet instead of traditional telephony networks.Matrix Gateways interface the new-age VoIP to the POTS, ISDN and GSM/3G networks in an integrated platform. rnrnMatrix VoIP Gateways are pre-loaded with advance features such as SIP proxy and Peer-to-Peer calling that helps substantial saving over long distance calls. Further it allows users to maintain existing telephony infrastructure and preserves user’s dialing habits.